The goalkeeper quickly fell out of favor under the Dutchman before joining Bournemouth and appeared to take a swipe after confirmation of his switch to the Toffees.
EXTRA TIME
Loyalty in football is rare and many Southampton fans are not happy with Ronald Koeman after the announcement of his move to take over at Everton.
With the switch having been anticipated for several weeks, supporters had been chewing it over for some time - and one meme did the rounds, purporting to show a quote from Koeman bemoaning a "lack of loyalty" in football and insisting that he would never be the kind of manager to move just for money.